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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations. No toxic effects occur at the range of solubility

Key value for chemical safety assessment

Additional information

The study was performed according to the OECD guideline no. 209 (1984). The test substance was tested at a nominal concentration of 100 mg/L and was found to have no inhibitory effect on the respiration rate of activated sludge after the incubation period of three hours. Thus, the test substance is not toxic to wastewater bacteria.

The NOEC was determined to be at least 100 mg/L and the EC50 (3h) was found to be higher than 100 mg/L.